You are the nurse evaluating a newly admitted patients laboratory results, which include several values that are outside of reference ranges. Which of the following would cause the release of antidiuretic hormone (ADH)?

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ATI Fluid Electrolyte and Acid-Base Regulation Questions

Question 1 of 9

You are the nurse evaluating a newly admitted patients laboratory results, which include several values that are outside of reference ranges. Which of the following would cause the release of antidiuretic hormone (ADH)?

Correct Answer: A

Rationale: The correct answer is A: Increased serum sodium. High serum sodium levels trigger the release of antidiuretic hormone (ADH) from the pituitary gland to help retain water in the body and maintain fluid balance. This is a physiological response to prevent further dehydration. Decreased serum potassium (choice B), decreased hemoglobin (choice C), and increased platelets (choice D) do not directly stimulate the release of ADH. Hence, they are incorrect choices in this scenario.

Question 2 of 9

A nurse is caring for a client who is experiencing moderate metabolic alkalosis. Which action should the nurse take?

Correct Answer: D

Rationale: The correct answer is D: Teach the client fall prevention measures. In metabolic alkalosis, the client may experience muscle weakness and confusion, increasing the risk of falls. Teaching fall prevention measures is essential to ensure the client's safety. Monitoring hemoglobin and hematocrit values (A) is not directly related to managing metabolic alkalosis. Administering furosemide (B) is not appropriate for metabolic alkalosis. Encouraging deep breaths (C) may not address the underlying cause of the alkalosis.

Question 3 of 9

The physician has ordered a peripheral IV to be inserted before the patient goes for computed tomography. What should the nurse do when selecting a site on the hand or arm for insertion of an IV catheter?

Correct Answer: B

Rationale: The correct answer is B because considering potential effects on the patient's mobility is crucial when selecting a site for IV insertion. Mobility can be affected if the IV is placed in a joint area or on the dominant hand. This could limit the patient's ability to move freely during and after the procedure. Therefore, it is important to choose a site that will not hinder the patient's movement. A: Choosing a hairless site is not the most important factor when selecting a site for IV insertion. C: Having the patient hold his arm over his head before insertion is not necessary and may cause discomfort for the patient. D: Leaving the tourniquet on for at least 3 minutes is not recommended as it can lead to complications such as venous stasis.

Question 4 of 9

After providing discharge teaching, a nurse assesses the clients understanding regarding increased risk for metabolic alkalosis. Which statement indicates the client needs additional teaching?

Correct Answer: C

Rationale: The correct answer is C because taking sodium bicarbonate after every meal can actually increase the risk of metabolic alkalosis due to its alkaline nature. Sodium bicarbonate can lead to an excessive build-up of bicarbonate in the bloodstream, causing alkalosis. Choice A is not directly related to metabolic alkalosis. Choice B, taking digoxin, is unrelated to metabolic alkalosis as well. Choice D, drinking six glasses of water due to sweating, does not contribute to metabolic alkalosis as it helps maintain hydration and electrolyte balance.

Question 5 of 9

A nurse educator is reviewing peripheral IV insertion with a group of novice nurses. How should these nurses be encouraged to deal with excess hair at the intended site?

Correct Answer: C

Rationale: The correct answer is C: Clip the hair in the area. Clipping the hair is the most appropriate option as it reduces the risk of infection during IV insertion by minimizing the presence of bacteria that may be trapped in the hair. Shaving (B) can cause micro-abrasions leading to increased infection risk. Leaving the hair intact (A) can also trap bacteria. Using a depilatory (D) can cause skin irritation and should be avoided. In summary, clipping the hair is the best option to maintain a clean and safe environment for IV insertion.

Question 6 of 9

. A nurse assesses a client who had an intraosseous catheter placed in the left leg. Which assessment finding is of greatest concern?

Correct Answer: D

Rationale: The correct answer is D. A cool lower extremity can indicate impaired circulation due to the intraosseous catheter placement, leading to compartment syndrome or tissue necrosis. This finding requires immediate intervention to prevent serious complications. Choices A, B, and C are incorrect because the duration of catheter placement, poor vascular access, and the specific location of the catheter do not directly impact circulation and tissue perfusion as significantly as a cool lower extremity.

Question 7 of 9

A patient has questioned the nurses administration of IV normal saline, asking whether sterile water would be a more appropriate choice than saltwater. Under what circumstances would the nurse administer electrolyte-free water intravenously?

Correct Answer: A

Rationale: The correct answer is A because electrolyte-free water, such as sterile water, can rapidly enter red blood cells due to osmotic differences, causing them to swell and potentially rupture, leading to hemolysis. This can result in severe harm to the patient. Choice B is incorrect because electrolyte-free water is not indicated for severely dehydrated patients with neurologic signs and symptoms. They require electrolytes to correct their imbalances. Choice C is incorrect as administering electrolyte-free water would not address excess calcium and/or magnesium ions in the body. Specific treatments for hypercalcemia or hypermagnesemia are needed. Choice D is incorrect because patients with fluid deficits due to renal failure require electrolyte-balanced solutions to manage their condition effectively. Electrolyte-free water would not address the electrolyte imbalances associated with renal failure.

Question 8 of 9

A nurse develops a plan of care for a client who has a history of hypocalcemia. What interventions should the nurse include in this clients care plan? (Select all that apply.)

Correct Answer: B

Rationale: The correct answer is B. Straining all urine output and assessing for urinary stones is important for a client with hypocalcemia as they are at risk for developing kidney stones due to increased calcium excretion. By straining urine, the nurse can monitor for the presence of stones. A, using a draw sheet to reposition the client, is not directly related to hypocalcemia. C, providing nonslip footwear, is important for fall prevention but not specific to hypocalcemia. D, since it is not provided, cannot be evaluated.

Question 9 of 9

A nurse assesses a client who has a radial artery catheter. Which assessment should the nurse complete first?

Correct Answer: D

Rationale: The correct answer is D: Presence of an ulnar pulse. This is the most important assessment to complete first because the presence of an ulnar pulse indicates adequate circulation in the hand, ensuring that the radial artery catheter is not compromising blood flow. If the ulnar pulse is absent, it may signify impaired circulation and potential complications such as ischemia. Choice A is incorrect because the amount of pressure in the fluid container is not directly related to the assessment of the radial artery catheter. Choice B is incorrect because the date of catheter tubing change is important for infection control but not the immediate priority in this situation. Choice C is incorrect as the percent of heparin in the infusion container is important for anticoagulation therapy but does not take precedence over assessing circulation in the hand.

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